Kernel/Makefile

   1 # Acess2 Kernel
   2 # Root Makefile
   3 # NOTE: Does some voodoo to allow differing architecture builds to co-exist
   4 # - The built objects and dependency files are suffixed with the arch name
   5 # - The final binary is Acess2.<ARCH>.bin
   6
   7 -include ../Makefile.cfg
   8
   9 -include arch/$(ARCHDIR)/Makefile
  10
  11 -include Makefile.BuildNum.$(ARCH)
  12
  13 KERNEL_VERSION = 0.5
  14
  15 MAKEDEP         = $(CC) -M
  16
  17 CPPFLAGS        += -I./include -I./arch/$(ARCHDIR)/include
  18 CPPFLAGS        += -DARCH=$(ARCH) -DARCHDIR=$(ARCHDIR) -DKERNEL_VERSION=$(KERNEL_VERSION) -DBUILD_NUM=$(BUILD_NUM)
  19 CFLAGS          += -Wall -Werror -O3 -fno-stack-protector -fno-builtin
  20 ASFLAGS         += -D ARCH=\"$(ARCH)\" -D ARCHDIR=\"$(ARCHDIR)\"
  21 LDFLAGS         += -T arch/$(ARCHDIR)/link.ld
  22
  23 ifeq ($(DEBUG_BUILD),yes)
  24         LDFLAGS += -g
  25         CFLAGS += -g
  26 endif
  27
  28 OBJ := $(addprefix arch/$(ARCHDIR)/,$(A_OBJ))
  29 OBJ += heap.o drvutil.o logging.o debug.o lib.o adt.o time.o
  30 OBJ += messages.o modules.o syscalls.o system.o threads.o
  31 OBJ += $(addprefix vfs/fs/, $(addsuffix .o,$(FILESYSTEMS)))
  32 OBJ += drv/vterm.o drv/proc.o drv/fifo.o drv/iocache.o drv/dma.o drv/pci.o drv/kb.o drv/vga.o
  33 OBJ += binary.o bin/elf.o bin/pe.o
  34 OBJ += vfs/main.o vfs/open.o vfs/acls.o vfs/dir.o vfs/io.o vfs/mount.o vfs/memfile.o vfs/nodecache.o
  35 OBJ += vfs/fs/root.o vfs/fs/devfs.o
  36 OBJ += $(addprefix drv/, $(addsuffix .o,$(DRIVERS)))
  37 OBJ := $(addsuffix .$(ARCH), $(OBJ))
  38 MODS += $(addprefix ../Modules/, $(addsuffix .xo.$(ARCH),$(MODULES)))
  39 BIN = ../Acess2.$(ARCH).bin
  40 GZBIN = ../Acess2.$(ARCH).gz
  41
  42 DEPFILES  = $(filter %.o.$(ARCH),$(OBJ))
  43 DEPFILES := $(DEPFILES:%.o.$(ARCH)=%.d.$(ARCH))
  44
  45 SRCFILES  = $(OBJ:%.o.$(ARCH)=%.c)
  46 SRCFILES := $(SRCFILES:%.ao.$(ARCH)=%.asm)
  47
  48 .PHONY: all clean install apidoc
  49
  50 all: $(BIN)
  51
  52 clean:
  53         @$(RM) $(BIN) ../Acess2.$(ARCH).gz $(BIN).dsm ../Map.$(ARCH).txt LineCounts.$(ARCH).txt $(OBJ) $(DEPFILES)
  54
  55 install: $(BIN)
  56         gzip -c $(BIN) > ../Acess2.$(ARCH).gz
  57         $(xCP) ../Acess2.$(ARCH).gz $(DISTROOT)
  58
  59 apidoc:
  60         doxygen Doxyfile.api
  61
  62 $(BIN): $(OBJ) $(MODS) arch/$(ARCHDIR)/link.ld Makefile
  63         @echo --- LD -o $(BIN)
  64         @$(LD) $(LDFLAGS) -o $(BIN) $(OBJ) $(MODS) -Map ../Map.$(ARCH).txt
  65         $(DISASM) $(BIN) > $(BIN).dsm
  66         @wc -l $(SRCFILES) include/*.h > LineCounts.$(ARCH).txt
  67         @echo BUILD_NUM = $$(( $(BUILD_NUM) + 1 )) > Makefile.BuildNum.$(ARCH)
  68
  69 %.ao.$(ARCH): %.asm Makefile
  70         @echo --- NASM -o $@
  71         @$(AS) $(ASFLAGS) $< -o $@
  72
  73 %.o.$(ARCH): %.c Makefile
  74 #       if exists %*/Makefile
  75 #       @make -C %*/ all
  76 #       else
  77         @echo --- GCC -o $@
  78         @$(CC) $(CFLAGS) $(CPPFLAGS) -o $@ -c $<
  79         @$(MAKEDEP) $(CPPFLAGS) -MT $@ -o $*.d.$(ARCH) $<
  80 #       endif
  81
  82 %.xo.$(ARCH):
  83         @make -C $* all
  84
  85 include/syscalls.h:     syscalls.lst Makefile
  86         php GenSyscalls.php
  87
  88 Makefile:       ../Makefile.cfg arch/$(ARCHDIR)/Makefile
  89
  90 drv/proc.o.%: Makefile.BuildNum
  91
  92 # Dependency Files
  93 -include $(DEPFILES)